Update Plausible script

Author: ericmj

config/runtime.exs

@@ -8,8 +8,7 @@ if config_env() == :prod do
     queue_id: System.fetch_env!("PREVIEW_QUEUE_ID"),
     queue_concurrency: String.to_integer(System.fetch_env!("PREVIEW_QUEUE_CONCURRENCY")),
     fastly_key: System.fetch_env!("PREVIEW_FASTLY_KEY"),
-    fastly_repo: System.fetch_env!("PREVIEW_FASTLY_REPO"),
-    plausible_url: "https://stats.hex.pm/js/plausible.js"
+    fastly_repo: System.fetch_env!("PREVIEW_FASTLY_REPO")
 
   config :preview, :repo_bucket,
     implementation: Preview.Storage.S3,

lib/preview_web.ex

@@ -19,7 +19,7 @@ defmodule PreviewWeb do
 
   def controller do
     quote do
-      use Phoenix.Controller, namespace: PreviewWeb
+      use Phoenix.Controller, formats: [:html, :json]
 
       import Plug.Conn
       import PreviewWeb.Gettext

lib/preview_web/controllers/sitemap_controller.ex

@@ -1,5 +1,6 @@
 defmodule PreviewWeb.SitemapController do
   use PreviewWeb, :controller
+  plug :put_format, "xml"
 
   def index(conn, _params) do
     bucket = Application.get_env(:preview, :preview_bucket)

lib/preview_web/templates/layout/root.html.heex

@@ -24,9 +24,11 @@
     >
     </script>
 
-    <%= if plausible_url = Application.get_env(:preview, :plausible_url) do %>
-      <% host = Application.fetch_env!(:preview, :host) %>
-      <script async defer data-domain={host} src={plausible_url}>
+    <%= if host = Application.get_env(:preview, :host) do %>
+      <script async defer src={"https://s.#{host}/js/script.js"}>
+      </script>
+      <script>
+        window.plausible=window.plausible||function(){(plausible.q=plausible.q||[]).push(arguments)},plausible.init=plausible.init||function(i){plausible.o=i||{}};plausible.init({endpoint:"https://s.<%= host %>/api/event"})
       </script>
     <% end %>
   </head>